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What Enzyme Is Responsible for Recognizing a Chemical Alteration in the DNA

Question 48

Multiple Choice

What enzyme is responsible for recognizing a chemical alteration in the DNA and removing the base by cleavage of the bond holding the base to the deoxyribose sugar moiety?


A) an AP endonuclease
B) phosphodiesterase activity of polymerase β\beta
C) 5'->3' exonuclease
D) 3'->5' exonuclease
E) DNA glycosylase

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